有着冷(lěng )漠杀神封号的燕国七皇子颜曦，征战齐(qí )国一举剿灭，并且带走亡国(guó )的小(xiǎo )公主(zhǔ )桃小薇，五(wǔ )岁萌娃桃小薇进(jìn )入王府后，搅得王府上(shàng )下鸡犬不宁(níng )，冷血王爷首次(cì )体验养娃艰辛，对(duì )桃小薇照顾的无微不至。二人(rén )打打闹闹，彼此(cǐ )成长